| Primary Identifier | MGI:3047786 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Xist |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | An insertion of the transcriptional terminator site, SPA-MAZ4 into the region 1.1 kb upstream of the P1 start site. Also, a floxed neomycin resistance gene was inserted. The insertion was designed to disrupt any transcription between the promoter and upstream regions. RT-PCR indicates presence of ectopic sense transcription upstream of Xist in mutants. |